mmu_sh3.h revision 1.3
1 /* $NetBSD: mmu_sh3.h,v 1.3 2002/04/28 17:10:35 uch Exp $ */ 2 3 /*- 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by UCHIYAMA Yasushi. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _SH3_MMU_SH3_H_ 40 #define _SH3_MMU_SH3_H_ 41 #include <sh3/devreg.h> 42 43 /* 128-entry 4-way set-associative */ 44 #define SH3_MMU_WAY 4 45 #define SH3_MMU_ENTRY 32 46 47 #define SH3_PTEH 0xfffffff0 48 #define SH3_PTEH_ASID_MASK 0x0000000f 49 #define SH3_PTEH_VPN_MASK 0xfffffc00 50 #define SH3_PTEL 0xfffffff4 51 #define SH3_PTEL_HWBITS 0x1ffff17e /* [28:12][8][6:1] */ 52 #define SH3_TTB 0xfffffff8 53 #define SH3_TEA 0xfffffffc 54 #define SH3_MMUCR 0xffffffe0 55 #define SH3_MMUCR_AT 0x00000001 56 #define SH3_MMUCR_IX 0x00000002 57 #define SH3_MMUCR_TF 0x00000004 58 #define SH3_MMUCR_RC 0x00000030 59 #define SH3_MMUCR_SV 0x00000100 60 61 /* 62 * memory-mapped TLB 63 */ 64 /* Address array */ 65 #define SH3_MMUAA 0xf2000000 66 /* address specification */ 67 #define SH3_MMU_VPN_SHIFT 12 68 #define SH3_MMU_VPN_MASK 0x0001f000 /* [16:12] */ 69 #define SH3_MMU_WAY_SHIFT 8 70 #define SH3_MMU_WAY_MASK 0x00000300 /* [9:8] */ 71 /* data specification */ 72 #define SH3_MMU_D_VALID 0x00000100 73 #define SH3_MMUAA_D_VPN_MASK_1K 0xfffe0c00 /* [31:17][11:10] */ 74 #define SH3_MMUAA_D_VPN_MASK_4K 0xfffe0000 /* [31:17] */ 75 #define SH3_MMUAA_D_ASID_MASK 0x0000000f 76 77 /* Data array */ 78 #define SH3_MMUDA 0xf3000000 79 #define SH3_MMUDA_D_PPN_MASK 0xfffffc00 80 #define SH3_MMUDA_D_V 0x00000100 81 #define SH3_MMUDA_D_PR_SHIFT 5 82 #define SH3_MMUDA_D_PR_MASK 0x00000060 /* [6:5] */ 83 #define SH3_MMUDA_D_SZ 0x00000010 84 #define SH3_MMUDA_D_C 0x00000008 85 #define SH3_MMUDA_D_D 0x00000004 86 #define SH3_MMUDA_D_SH 0x00000002 87 88 #define SH3_TLB_DISABLE *(__volatile__ u_int32_t *)SH3_MMUCR = SH3_MMUCR_TF 89 #endif /* !_SH3_MMU_SH3_H_ */ 90
Indexes created Mon Sep 29 21:09:56 GMT 2025